[1] Sarah Cannon Res Inst, Nashville, TN USA
[2] Leningrad Reg Clin Hosp, St Petersburg, Russia
[3] Sumy State Univ, Sumy, Ukraine
[4] Chelyabinsk Reg Clin Oncol Dispensary, Chelyabinsk, Russia
[5] Tudogyogyintezet Torokbalint, Torokbalint, Hungary
[6] Hosp Univ 12 Octubre, Madrid, Spain
[7] N Novgorod Reg Oncol Dispensary, Novgorod, Russia
[8] US Oncol Network, Marion, VA USA
[9] Markusovszky Hosp, Szombathely, Hungary
[10] Georgia Canc Specialists, Marietta, GA USA
[11] Genentech Inc, San Francisco, CA 94080 USA
[12] Victor Hugo Clin, Jean Bernard Ctr, Le Mans, France